Question: Name a relativistic wave equation that contains the word " equation" in its name
Paraphrase: Title a relativistic wave condition that contains the word " condition" in its name
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q7310838 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'equation')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Rarita–Schwinger equation, Rarita–Schwinger equation, Dirac equation, Dirac equation, Majorana equation, Majorana equation, Breit equation, Breit equation